SOLUTION: please help solve this: the nth term of a sequence is given by n²-4n-21.find the nth term which is equal to 24

SOLUTION: please help solve this: the nth term of a sequence is given by n²-4n-21.find the nth term which is equal to 24

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Question 1190295: please help solve this: the nth term of a sequence is given by n²-4n-21.find the nth term which is equal to 24

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

a sequence is given by

find the nth term which is equal to =>
.........solve for

solution:
if =>
if =>

since cannot be negative or in fraction because number of terms has to be a whole number and also it should not be negative, your solution is
=> term

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